|Home Team|Score|Away Team|Date|Agg|
|---|---|---|---|---|
|Aberdeen|7–1|Hamilton Academical|11-10-1978|8–1|
|Airdrieonians|1–2|Arbroath|10-10-1978|2–3|
|Ayr United|1–1|Falkirk|11-10-1978|3–1|
|Clydebank|1–1|Hibernian|11-10-1978|1–2|
|Morton|5–2|Kilmarnock|11-10-1978|5–4|
|Montrose|5–1|Raith Rovers|11-10-1978|5–4|
|Motherwell|1–4|Celtic|11-10-1978|2–4|
|St. Mirren|0–0|Rangers|11-10-1978|2–3|

Question: how many times did the home team have a score of only one against the away team?
Answer: 4